As a producer, Jack Antonoff helps draw out every ounce of emotion from pop’s most influential auteurs—and has dominated the charts in the process. His work is often subtle but expansive, as he fills in Taylor Swift’s intimate tales with soft, pastel arrangements; transforms Lana Del Rey’s infinite pining into airy, atmospheric epics; and plunges FKA twigs’ suggestive whispers into ever darker electro-soul.